Water Accelerated Sm/TMSCl Reductive System: Debromination of<i>VIC</i>—Dibromides and Reduction of Sodium Alkyl Thiosulfates
作者:Xiaoliang Xu、Ping Lu、Yongmin Zhang
DOI:10.1080/00397910008087241
日期:2000.6
Abstract A simple and efficient method for the debromination of vic-dibromides to (E)-alkenes and reduction of sodium alkyl thiosulfates to disulfides promoted by Sm/TMSCl/H2O (trace) has been described.
The Reaction of Grignard Reagents with Bunte Salts: A Thiol-Free Synthesis of Sulfides
作者:Jonathan T. Reeves、Kaddy Camara、Zhengxu S. Han、Yibo Xu、Heewon Lee、Carl A. Busacca、Chris H. Senanayake
DOI:10.1021/ol500067f
日期:2014.2.21
react with Grignardreagents to give sulfides in good yields. The S-alkyl Bunte salts are prepared from odorless sodium thiosulfate by an SN2 reaction with alkyl halides. A Cu-catalyzed coupling of sodium thiosulfate with aryl and vinyl halides was developed to access S-aryl and S-vinyl Bunte salts. The reaction is amenable to a broad structural array of Bunte salts and Grignardreagents. Importantly
S-烷基,S-芳基和S-乙烯基硫代硫酸钠盐(Bunte盐)与Grignard试剂反应生成硫化物,收率很高。S-烷基邦特盐是由无味的硫代硫酸钠通过与烷基卤化物的S N 2反应制备的。开发了铜催化的硫代硫酸钠与芳基卤化物和乙烯基卤化物的偶联物,以得到S-芳基和S-乙烯基丁烯酸盐。该反应适合于多种结构的邦特盐和格氏试剂。重要的是,这种硫化物的途径避免了使用恶臭的硫醇原料或副产物。
Aqueous Reaction of Alcohols, Organohalides, and Odorless Sodium Thiosulfate under Transition-Metal-Free Conditions: Synthesis of Unsymmetrical Aryl Sulfides via Dual C–S Bond Formation
作者:Bei-Bei Liu、Xue-Qiang Chu、Huan Liu、Ling Yin、Shun-Yi Wang、Shun-Jun Ji
DOI:10.1021/acs.joc.7b01653
日期:2017.10.6
A transition-metal-free process for the synthesis of unsymmetrical aryl sulfides via dual C–S bond formation by a one-pot three-component reaction of alcohols, organohalides, and odorless sodium thiosulfate in water has been developed. In addition, the aryl sulfides could also be prepared by the reaction of the corresponding alcohols and Bunte salts under the identical conditions. This protocol provides
Diastereoselective Synthesis of Thioglycosides via Pd-Catalyzed Allylic Rearrangement
作者:Jiagen Li、Ming Wang、Xuefeng Jiang
DOI:10.1021/acs.orglett.1c03302
日期:2021.12.3
palladium-catalyzed allylicrearrangement yields various substituents on α-isomer thioglycosides. Two comprehensive series of aryl and benzyl thioglycosides were obtained via a combination of thiosulfates with glycals derived from glucose, arabinose, galactose, and rhamnose. Furthermore, diosgenyl α-l-rhamnoside and isoquercitrin achieved selectivity via stereospecific [2,3]-sigma rearrangements of α-sulfoxide-rhamnoside
A direct C2–H thiolation of azoles with Bunte salts was achieved under the combined action of copper and silver salts, furnishing various substituted 2-thioazoles in moderate to good yields.